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Finding the Fourth Proportional to 86,363.64, 119,215.26 and 67,506.84

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Solution

The fourth proportional to 86,363.64, 119,215.26 and 67,506.84 is: 93,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,363.64 : 119,215.26 = 67,506.84 : x
  2. Step 2: Convert to fraction form
    86,363.64/119,215.26 = 67,506.84/x
  3. Step 3: Cross multiply
    86,363.64x = 119,215.26 × 67,506.84
  4. Step 4: Simplify right side
    86,363.64x = 8,047,845,482.38
  5. Step 5: Solve for x
    x = 8,047,845,482.38/86,363.64
  6. Step 6: Final answer
    x = 93,185.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.